<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<style>
    *{
        margin: 0px;
    }
    /* 顶部部分 */
    .topnav{
        margin-top: 30px;
        margin-left: 20px;
        display: flex;
        flex-direction: row; 
		justify-content:flex-start;
    }
    .topnav img:nth-child(1){
        width: 20px;
        height: 20px;
    }
    .topnav span:nth-child(2){
        margin: 0 auto;
        font-size: 20px;
        color: #505050;
        font-weight: 700;
    }
    /* 分割线1  */
    .line1{
        height: 5px;
        background-color: #f2f4f8;
        margin-top: 18px;
    }
    /* 栏目1 */
    .column1{
        display: flex;
        flex-direction: column;
        margin-left: 20px;
        margin-top: 15px;
        color: #9d9e9e;
    }
    .column1>img{
        height: 70px;
        width: 120px;
        margin-top: 30px;
    }
    .column1 span:nth-child(3){
        position: relative;
        top: -50px;
        left: 140px;
    }
    /* 分割线2  */
    .line2{
        height: 10px;
        background-color: #f2f4f8;
    }
    /* 栏目2 */
    .column2{
        display: flex;
        flex-direction: column;
        margin-left: 20px;
        margin-top: 15px;
        color: #9d9e9e;
    }
    .column2>img{
        height: 70px;
        width: 120px;
        margin-top: 30px;
    }
    .column2 span:nth-child(3){
        position: relative;
        top: -70px;
        left: 140px;
        color: #505050;
        font-size: 20px;
    }
    .column2 span:nth-child(4){
        position: relative;
        top: -60px;
        left: 140px;
    }
    /* 底部部分 */
    .text{
        height: 40px;
        background-color: #f2f4f8;
        color: #9d9e9e;
        margin-top: 340px;
        text-align: center;
        font-size: 20px;
    }
    .text>span{
        line-height: 40px;
    }
</style>
<body>
    <div>
        <!-- 顶部部分 -->
        <div class="topnav">
            <img src="../jpg/返回.png" >
            <span>下载的课程</span>
        </div>
        <!-- 分割线1 -->
        <div class="line1"></div>
        <!-- 栏目1 -->
        <div class="column1">
            <span>正在下载</span>
            <img src="../jpg/理财.jpg" >
            <span>剩余2个课件</span>
        </div>
        <!-- 分割线2 -->
        <div class="line2"></div>
        <!-- 栏目2 -->
        <div class="column2">
            <span>已完成</span>
            <img src="../jpg/理财.jpg" >
            <span>跟简七学理财</span>
            <span>1课件 | 29M</span>
        </div>
        <!-- 底部部分 -->
        <div class="text">
            <span>已下载课程29MB,可用空间31.6G</span>
        </div>
    </div>
</body>
</html>